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Mandrel rod damping structure

A technology of components and shaft holes, which is applied in the structural field of suppressing the vibration of shaft rods, can solve problems such as unresolved vibrations, and achieve the effect of good position accuracy

Inactive Publication Date: 2009-10-07
LITE ON OPTO TECH (CHANGZHOU) CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen from the structure disclosed in this patent that when the vibration generated by the motor running is transmitted to the shaft, it will cause instantaneous vibration of the shaft in the axial direction and other directions, but the structure only solves the instantaneous vibration of the shaft in the axial direction. Doesn't solve vibrations in other directions

Method used

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Embodiment Construction

[0026] The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the two preferred embodiments with reference to the accompanying drawings.

[0027] Before the present invention is described in detail, it is to be noted that in the following description, similar components are designated by the same reference numerals.

[0028] Figure 2a It is an installation diagram of a preferred embodiment of the present invention. like Figure 2a As shown, a preferred embodiment of the present invention discloses an axle rod damping structure 400 . The axle rod damping structure 400 mainly includes a housing 10 and a pressing member 12 . Among them, the pressing member 12 is connected to the casing 10 by screws or rivets, and is forced to fasten the shaft rod 200 installed on the casing 10 .

[0029] It should be noted that the following only takes the screw connection as an example, and ...

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Abstract

The invention provides a mandrel rod damping structure for reducing the shake of a mandrel rod. The mandrel rod is sleeved with a scanner and a scanning module, and the scanning module can reciprocate along the mandrel rod which is arranged in a shaft hole. The mandrel rod damping structure is characterized in that a part of the shaft hole, which bears the mandrel rod, is in a V-shaped structure and provided with a fastening component for fixing the mandrel rod, and the mandrel rod is supported by the V-shaped structure which is in point contact with the mandrel rod so as to better control the position precision of the mandrel rod; the mandrel rod is contacted with an elastic component made of rubber materials and pressed by a rigid fastening component so as to keep in a gapless state all the time, thus the problem of the assembly gap of the mandrel rod can be effectively solved, and the elastic component made of the rubber materials can damp the shake. The mandrel rod damping structure can solve a plurality of image problems due to great shakes along a circumferential direction of the mandrel rod and no scanning module deviation in the scanning process.

Description

technical field [0001] The invention relates to a shock absorption structure for a scanner, in particular to a structure for restraining the vibration of a shaft rod. Background technique [0002] Generally, when the scanning module of the flatbed scanner scans the document on the light-transmitting plate, the optical scanning module scans along the scanning direction through a transmission device. The transmission device has a stepping motor and is connected with the scanning module by means of belts and pulleys. [0003] like Figure 1a As shown, there is a rod 200 in the transmission structure of a general scanner, and the scanning module can be linearly reciprocated along the rod 200 . Both ends of the shaft rod are fixed on the frame 10 of the scanner, and a gasket 11 is set to be sleeved on the shaft end to tighten the shaft rod and maintain a certain stability. [0004] However, due to the gap between the shaft rod and the housing, and the vibration of the shaft rod...

Claims

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Application Information

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IPC IPC(8): H04N1/14
Inventor 雷艳荣黄兆华
Owner LITE ON OPTO TECH (CHANGZHOU) CO LTD
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